yes that can be a problem. Thing is that when you breathe through your nose oxygenation is better. Breath in through the nose, and breathe out through your mouth. That's how it goes. I can't breathe on my nose when I get really tired because I have this deviation of nasal septum, I have to wait some more to be able to go to surgery. If your nose is ok, use it.Originally Posted by lynwood1
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